package com.changli04.threadsafemore.lock;

import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

public class LockTest {
    public static void main(String[] args) {
        Window w1 = new Window();
        Window w2 = new Window();
        Window w3 = new Window();
        w1.setName("窗口1");
        w2.setName("窗口2");
        w3.setName("窗口3");
        w1.start();
        w2.start();
        w3.start();
    }
}
class Window extends Thread {
    static int ticket = 100;



    private  static final ReentrantLock lock = new ReentrantLock();



    @Override
    public void run() {
        while (true) {
            try {
                lock.lock();
                try {
                    Thread.sleep(100);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                if (ticket > 0) {
                    System.out.println(Thread.currentThread().getName() + "票号为:" + ticket);
                    ticket--;
                }
                else{
                    break;
                }
            } finally {
                lock.unlock();
            }
        }
    }
}
